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    Question

    10 man can make a wall in 8 days. How many men required to complete the same work in half days ?

    A 160 Correct Answer Incorrect Answer
    B 216 Correct Answer Incorrect Answer
    C 300 Correct Answer Incorrect Answer
    D 400 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Given, M1 = 10 D1 = 8, M2 = ? and D2 = 1/2
    From M1D1 = M2D2
    ⇒ 10 x 8 = M2 x 1/2
    ⇒ M2 = 10 x 8 x 2
    ∴ M2 = 160

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